To run the app, perform the following steps:

Download the folder zip or clone the repository

Go to the backend folder(name may vary but identify it based on the presence of index.js file in the root folder)

From inside the folder, using the terminal of your editor (or in cmd prompt at the same location) run the command: npm install which will install all the necessary libraries and other required things for the project to run successfully.

Run the command: nodemon

Go to the frontend folder which can be identified by the presence of src folder in the root.

Run npm install command again.

Run npm start

The project should start running in http://localhost:3000/. If it doesn't manually paste the given localhost link.